Ichor director sells 9,933 shares in 10b5-1 plan

ICHOR HOLDINGS, LTD.

Rhea-AI Filing Summary

ICHOR HOLDINGS, LTD. (ICHR) director Iain MacKenzie reported open-market sales of the company’s ordinary shares on August 18, 2026. He sold a total of 9,933 shares in four transactions at weighted average prices between $65.19 and $68.14 per share, with each transaction executed in multiple trades across stated price ranges. All sales were made pursuant to a Rule 10b5-1 Trading Plan adopted on May 19, 2026.

Insider Trade Summary 10b5-1

Net Seller: 9,933 shares

Net Sell 4 txns

Insider MacKenzie Iain

Role Director

Sold 9,933 shs ($653K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares, par value $0.0001 F1, F2	5,183	$65.19	$338K
Sale	Ordinary Shares, par value $0.0001 F1, F3	3,150	$65.99	$208K
Sale	Ordinary Shares, par value $0.0001 F1, F4	1,200	$66.81	$80K
Sale	Ordinary Shares, par value $0.0001 F1, F5	400	$68.14	$27K

Holdings After Transaction: Ordinary Shares, par value $0.0001 — 122,427 shares (Direct)

Footnotes (5)

1. F1. Represents number of shares sold under a Rule 10b5-1 Trading Plan adopted by Mr. MacKenzie on May 19, 2026.
2. F2. The reported price is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $64.64 to $65.58 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (2), (3), (4), and (5) to this Form 4.
3. F3. The reported price is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $65.64 to $66.57 per share.
4. F4. The reported price is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $66.65 to $67.44 per share.
5. F5. The reported price is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $67.71 to $68.34 per share.

Key Figures

Total shares sold: 9,933 shares First transaction size: 5,183 shares Second transaction size: 3,150 shares +5 more

8 metrics

Total shares sold 9,933 shares Aggregate non-derivative ordinary shares sold on August 18, 2026

First transaction size 5,183 shares Ordinary shares sold at a weighted average price of $65.19 on August 18, 2026

Second transaction size 3,150 shares Ordinary shares sold at a weighted average price of $65.99 on August 18, 2026

Third transaction size 1,200 shares Ordinary shares sold at a weighted average price of $66.81 on August 18, 2026

Fourth transaction size 400 shares Ordinary shares sold at a weighted average price of $68.14 on August 18, 2026

Price range for first sale group $64.64–$65.58 per share Underlying trade price range for the 5,183-share weighted average sale

Price range for last sale group $67.71–$68.34 per share Underlying trade price range for the 400-share weighted average sale

Par value per ordinary share $0.0001 Par value of ICHOR HOLDINGS, LTD. ordinary shares

Key Terms

Rule 10b5-1 Trading Plan, weighted average sales price, non-derivative, Ordinary Shares

4 terms

Rule 10b5-1 Trading Plan regulatory

"Represents number of shares sold under a Rule 10b5-1 Trading Plan adopted"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average sales price financial

"The reported price is a weighted average sales price. These shares were sold"

non-derivative financial

"transaction_code "S", transaction_type "non-derivative""

Ordinary Shares financial

"security_title "Ordinary Shares, par value $0.0001""

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did ICHR report on this Form 4?

ICHOR HOLDINGS, LTD. reported that director Iain MacKenzie sold 9,933 ordinary shares on August 18, 2026 in four open-market transactions, all under a Rule 10b5-1 Trading Plan.

How many ICHR shares did Iain MacKenzie sell and on what date?

Iain MacKenzie sold a total of 9,933 ordinary shares of ICHR on August 18, 2026, reported in four separate non-derivative sale transactions.

What prices did the ICHR shares sell for in MacKenzie’s August 18, 2026 transactions?

The reported weighted average sale prices were $65.19, $65.99, $66.81, and $68.14 per share, with underlying trades executed in ranges from $64.64 up to $68.34 per share as disclosed in the footnotes.

Were the August 18, 2026 ICHR insider sales made under a Rule 10b5-1 plan?

Yes. The filing states the 9,933-share sale was made under a Rule 10b5-1 Trading Plan adopted by Iain MacKenzie on May 19, 2026, and the Rule 10b5-1 checkbox is marked as applicable.

What type of security did Iain MacKenzie sell in ICHR?

The transactions involved Ordinary Shares of ICHOR HOLDINGS, LTD., each with a par value of $0.0001, reported as non-derivative securities held directly by the reporting person.

Does the Form 4 state MacKenzie’s share ownership after these ICHR sales?

No. For each transaction, the field for total shares following the transaction is left blank, so the filing does not state MacKenzie’s post-transaction holdings.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 08/20/2026 - 05:28 PM Accepted by SEC EDGAR 08/20/2026 - 05:27 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MacKenzie Iain

(Last) (First) (Middle)

C/O ICHOR HOLDINGS, LTD.

3185 LAURELVIEW CT

(Street)

FREMONT CALIFORNIA 94538

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ICHOR HOLDINGS, LTD. [ ICHR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares, par value $0.0001	08/18/2026		S		5,183(1)	D	$65.19(2)	127,177	D
Ordinary Shares, par value $0.0001	08/18/2026		S		3,150(1)	D	$65.99(3)	124,027	D
Ordinary Shares, par value $0.0001	08/18/2026		S		1,200(1)	D	$66.81(4)	122,827	D
Ordinary Shares, par value $0.0001	08/18/2026		S		400(1)	D	$68.14(5)	122,427	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents number of shares sold under a Rule 10b5-1 Trading Plan adopted by Mr. MacKenzie on May 19, 2026.

2. The reported price is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $64.64 to $65.58 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (2), (3), (4), and (5) to this Form 4.

3. The reported price is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $65.64 to $66.57 per share.

4. The reported price is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $66.65 to $67.44 per share.

5. The reported price is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $67.71 to $68.34 per share.

Remarks:

	/s/ Ryan Barger by Power of Attorney	08/20/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)